Radiant heating dual roller shade for vehicle sunroof system

Abstract

A radiant heating and blocking shade system for a sunroof of a vehicle includes a first roller configured to be mounted adjacent to one end of a sunroof of a vehicle. A second roller is mounted adjacent to the first roller between the first roller and the sunroof. A radiant heating shade is at least partially wound around the first roller. The radiant heating shade has a deployed position and a retracted position. A blocking shade is at least partially wound around the second roller. The blocking shade has a deployed position and a retracted position. The blocking shade is arranged parallel to and spaced from the radiant heating shade between the radiant heating shade and the sunroof when the blocking shade and the radiant heating shade are in the deployed position.

What is claimed is: 
     
       1. A radiant heating and blocking shade system for a sunroof of a vehicle, comprising:
 a first roller configured to be mounted adjacent to one end of the sunroof of the vehicle; 
 a second roller mounted adjacent to the first roller between the first roller and the sunroof; 
 a radiant heating shade that generates heat when power is applied to the radiant heating shade and that is at least partially wound around the first roller, wherein the radiant heating shade has a deployed position and a retracted position; 
 a blocking shade at least partially wound around the second roller, wherein the blocking shade has a deployed position and a retracted position, 
 wherein the blocking shade is arranged parallel to and spaced from the radiant heating shade between the radiant heating shade and the sunroof when the blocking shade and the radiant heating shade are in the deployed position; and 
 an ambient temperature sensor configured to measure an ambient temperature outside of the vehicle; 
 a controller configured to:
 disconnect the radiant heating shade from power and deploy the blocking shade when the ambient temperature outside of the vehicle is greater than a first temperature threshold; 
 retract the blocking shade when a solar load is less than a solar load threshold; 
 deploy the blocking shade when the solar load is greater than the solar load threshold; and 
 apply power to the radiant heating shade when the ambient temperature outside of the vehicle is less than a second temperature threshold. 
 
 
     
     
       2. The radiant heating and blocking shade system of  claim 1 , wherein the blocking shade includes a reflective layer on a first surface of the blocking shade. 
     
     
       3. The radiant heating and blocking shade system of  claim 2 , wherein the blocking shade includes an insulating layer on a second surface of the blocking shade. 
     
     
       4. The radiant heating and blocking shade system of  claim 2 , wherein the reflective layer comprises aluminum foil. 
     
     
       5. The radiant heating and blocking shade system of  claim 3 , wherein the first surface faces the sunroof when the blocking shade is deployed. 
     
     
       6. The radiant heating and blocking shade system of  claim 5 , wherein the second surface faces the radiant heating shade when the blocking shade and the radiant heating shade are deployed. 
     
     
       7. The radiant heating and blocking shade system of  claim 1 , further comprising a hinge to removably connect ends of the radiant heating shade and the blocking shade together. 
     
     
       8. The radiant heating and blocking shade system of  claim 1 , further comprising:
 a first support member arranged on one side of the sunroof; and 
 a second support member arranged on an opposite side of the sunroof, 
 wherein the first roller and the second roller are rotatably attached to the vehicle by the first support member and the second support member. 
 
     
     
       9. The radiant heating and blocking shade system of  claim 1 , further comprising a solar load sensor to sense the solar load. 
     
     
       10. The radiant heating and blocking shade system of  claim 1 , further comprising a first motor configured to move the radiant heating shade between the retracted position and the deployed position. 
     
     
       11. The radiant heating and blocking shade system of  claim 10 , further comprising a second motor configured to move the blocking shade between the retracted position and the deployed position. 
     
     
       12. The radiant heating and blocking shade system of  1 , further comprising a first motor configured to move the radiant heating shade between the retracted position and the deployed position. 
     
     
       13. The radiant heating and blocking shade system of  claim 12 , further comprising a second motor configured to move the blocking shade between the retracted position and the deployed position. 
     
     
       14. The radiant heating and blocking shade system of  claim 1 , further comprising:
 a first motor configured to move the radiant heating shade between the retracted position and the deployed position; and 
 a first switch configured to start and stop the first motor. 
 
     
     
       15. The radiant heating and blocking shade system of  claim 14 , further comprising:
 a second motor configured to move the blocking shade between the retracted position and the deployed position; and 
 a second switch configured to start and stop the second motor. 
 
     
     
       16. A radiant heating and blocking shade system for a sunroof of a vehicle, comprising:
 a first roller configured to be mounted adjacent to one end of the sunroof of the vehicle; 
 a second roller mounted adjacent to the first roller between the first roller and the sunroof; 
 a radiant heating shade that generates heat when power is applied to the radiant heating shade and that is at least partially wound around the first roller, wherein the radiant heating shade has a deployed position and a retracted position; 
 a blocking shade at least partially wound around the second roller, wherein the blocking shade has a deployed position and a retracted position, 
 wherein the blocking shade is arranged parallel to and spaced from the radiant heating shade between the radiant heating shade and the sunroof when the blocking shade and the radiant heating shade are in the deployed position, and 
 wherein the blocking shade includes a reflective layer on a first surface of the blocking shade and an insulating layer on a second surface of the blocking shade, 
 a first motor configured to move the radiant heating shade between the retracted position and the deployed position; 
 a first switch configured to start and stop the first motor; 
 a second motor configured to move the blocking shade between the retracted position and the deployed position; 
 a second switch configured to start and stop the second motor; 
 an ambient temperature sensor configured to measure an ambient temperature outside of the vehicle; and 
 a controller configured to:
 disconnect the radiant heating shade from power and deploy the blocking shade when the ambient temperature outside of the vehicle is greater than a first temperature threshold; 
 via the second motor retract the blocking shade when a solar load is less than a solar load threshold; 
 via the second motor deploy the blocking shade when the solar load is greater than the solar load threshold; and 
 apply power to the radiant heating shade when the ambient temperature outside of the vehicle is less than a second temperature threshold. 
 
 
     
     
       17. A radiant heating and blocking shade system for a sunroof of a vehicle, comprising:
 a first roller configured to be mounted adjacent to one end of the sunroof of the vehicle; 
 a second roller mounted adjacent to the first roller between the first roller and the sunroof; 
 a radiant heating shade that generates heat when power is applied to the radiant heating shade and that is at least partially wound around the first roller, wherein the radiant heating shade has a deployed position and a retracted position; 
 a blocking shade at least partially wound around the second roller, wherein the blocking shade has a deployed position and a retracted position, 
 wherein the blocking shade is arranged parallel to and spaced from the radiant heating shade between the radiant heating shade and the sunroof when the blocking shade and the radiant heating shade are in the deployed position, and 
 wherein the blocking shade includes a reflective layer on a first surface of the blocking shade and an insulating layer on a second surface of the blocking shade; 
 an environmental sensor to sense an environmental parameter; 
 a first motor configured to move the radiant heating shade between the retracted position and the deployed position; 
 a second motor configured to move the blocking shade between the retracted position and the deployed position; 
 an ambient temperature sensor configured to measure an ambient temperature outside of the vehicle; and 
 a controller configured to move one or both of the radiant heating shade and the blocking shade between the retracted position and the deployed position based on the environmental parameter, the controller configured to:
 disconnect the radiant heating shade from power and deploy the blocking shade when the ambient temperature outside of the vehicle is greater than a first temperature threshold; 
 retract the blocking shade when a solar load is less than a solar load threshold; 
 deploy the blocking shade when the solar load is greater than the solar load threshold; and 
 apply power to the radiant heating shade when the ambient temperature outside of the vehicle is less than a second temperature threshold.